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Modular Burglar Alarm [Deleted]

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ElectroMaster

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ElectroMaster submitted a new article:

Modular Burglar Alarm - This circuit features automatic Exit and Entry delays and a timed Bell Cut-off. It has provision fo

This circuit features automatic Exit and Entry delays and a timed Bell Cut-off. It has provision for both normally-closed and normally-open contacts, and a 24-hour Personal Attack/Tamper zone. It is connected permanently to the 12-volt supply and its operation is "enabled" by opening SW1. By using the expansion modules, you can add as many zones as you require; some or all of which may be the inertia (shock) sensor type. All the green LEDs should be lighting before you open SW1. You then have...

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please send the pdf file to my email account (emmistar@yahoo.com).thank you very much for your pains
 
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